It is safer if the patient doesnt drink:
-alcoholics 2-3 days before and after procedure to avoid swelling as ecchymosis
-hot beverages only the day of procedure to avoid swelling of the face by intra oral heating dispersion.
Anyway alcoholics or hot beverages are not contra indicated but they may create a social eviction ( just in case of facial procedures) dued to swelling and ecchymosis.
Do remember that Beers contain arachides and can lead to peanut allergy.
Peanut Butter Ale ( USA) is one well known Beer made with Peanut Butter !